CN102869614B - Method for removing metals from a metal-containing solution by using legume plants - Google Patents
Method for removing metals from a metal-containing solution by using legume plants Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3433—Regenerating or reactivating of sorbents or filter aids other than those covered by B01J20/3408 - B01J20/3425
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
- B01J20/3466—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase with steam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/46—Materials comprising a mixture of inorganic and organic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
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Abstract
A method for removing metals from a metal-containing solution, comprises contacting legume plants with the metal-containing solution and removing the legume plants from the solution, wherein the metals are selected from the group consisting of cadmium, mercury, lead, tin, thallium, beryllium and barium; and the legume plants are dried and smashed before contacting with the metal-containing solution.
Description
Background technology
Water containing excess metal can pollute environment.Conventional water technology comprises: sedimentation, chemistry redox reaction, ion-exchange, electrochemical treatment and membrane sepn.But due to complicated operation, high cost and unsafty result, the application of these methods is restricted.
Adsorption technology is for water treatment, because they do not need complicated equipment, just looks at and can be used for processing the water containing low-concentration metallic.The effect basis of adsorption technology for the treatment of sorbent material and change.Reporting that multiple sorbent material for removing metal pollutant from solution, having comprised the natural adsorbent of the sorbent material such as synthesized, natural sorbent material and modification.But the preparation of the sorbent material of synthesis and the natural adsorbent of modification is expensive, and may cause secondary pollution.
In nearly ten years, such as pecan shell (pecan nutshell), the biomass such as reed (phragmitesaustralis) and tobacco stem have been used to from the aqueous solution, remove Cr (VI), Cu (II), Mn (II), Pb (II) and Cd (II) (Vaghetti, J.C.P. people is waited, " Pecan nutshell as biosorbent toremove Cu (II), (pecan shell removes Cu (II) as biological adsorption agent to Mn (II) and Pb (II) from aqueous solutions from the aqueous solution, Mn (II) and Pb (II)) ", J.Hazard.Mater.162:270-280 (2009), the people such as Southichak B.H., " Phragmites australis:A novelbiosorbent for the removal of heavy metals from aqueous solution (reed: a kind of novel biological adsorption agent for removing heavy metal from the aqueous solution) ", Water Res., 40 (12): 2295-2302 (2006), Li, W. people is waited, " Tobacco stems as a low cost adsorbent forthe removal of Pb (II) from wastewater:Equilibrium and kinetic studies (tobacco stem is used for from waste water, remove Pb (II) as Low Cost Sorbents: balance and dynamics research) ", Ind.Crops Prod.28:294-302 (2008)).Recently, the such as fruit peel such as mangrove bark and Pericarpium citri sinensis has been used as the heavy metal ion biological adsorption agent (people such as Iqbal M., " FTIR spectrophotometry; kinetics and adsorption isotherms modeling; ion exchange, and EDX analysisfor understanding the mechanism of Cd
2+and Pb
2+removal by mango Peelwaste is (for understanding mangrove bark refuse removing Cd
2+and Pb
2+the FTIR spectrophotometry of mechanism, kinetics and adsorption isothermal line modeling, ion-exchange and EDX analyze) ", J.Hazard.Mater., 164:161-171 (2009); Lugo-Lugo, V. people is waited, " A comparative study of natural; formaldehyde-treated and copolymer-grafted orange peel for Pb (II) adsorptionunder batch and continuous mode (Pericarpium citri sinensis of natural, formaldehyde-treated and copolymer grafted in batches with the comparative study of adsorbing for Pb (II) under continuous mode) ", J.Hazard.Mater., 161:1255-1264 (2009)).But when comparing with the natural adsorbent of modification with the sorbent material of synthesis, biological adsorption agent has lower adsorption percentage and adsorptive power.
Summary of the invention
In one aspect, this disclosure provides a kind of for from containing the method removing metal in the solution of metal, described method comprises makes beans product (bean product, legume product) contact with the described solution containing metal.
In yet another aspect, this disclosure provides a kind of for from containing the method removing metal in the solution of metal, described method comprises makes beans product contact with the described solution containing metal, and from described solution, remove described beans product.
In yet another aspect, this disclosure provides a kind of for from containing the method removing metal in the solution of metal, described method comprises makes beans product contact with the described solution containing metal, and from described solution, remove described beans product, and wherein said beans product does not comprise soybean.
In yet another aspect, this disclosure provides a kind of for from containing the method removing metal in the solution of metal, described method comprises makes beans product contact with the described solution containing metal, and from described solution, removing described beans product, the concentration of the metal in wherein said solution is lowered at least 5%.
In yet another aspect, this disclosure provides a kind of for from containing the method removing metal in the solution of metal, described method comprises makes beans product contact with the described solution containing metal, and from described solution, removing described beans product, the concentration of the metal in wherein said solution is no more than 200mg/L.
In yet another aspect, this disclosure provides a kind of product comprising beans product, described product is configured to remove metal from containing the solution of metal.
Foregoing general description content is only illustrative, and limits never in any form.Except above-mentioned these illustrational aspect, embodiment and features, by reference to detailed description below, other side, embodiment and feature will become obvious.
Describe in detail
The illustrative embodiment described in detailed description and claims does not mean that it is restrictive.Other embodiment can be utilized, and other change can be made, and not depart from the spirit or scope of the theme proposed herein.
This disclosure provides a kind of for from containing the method removing metal in the solution of metal, described method comprises makes beans product contact with the described solution containing metal.In yet another aspect, this disclosure provides a kind of for from containing the method removing metal in the solution of metal, described method comprises makes beans product contact with the described solution containing metal, and from described solution, remove described beans product.
In certain embodiments, for making beans product contact with the described solution containing metal from comprising containing the method removing metal in the solution of metal, wherein said metal is selected from the group be made up of cadmium, mercury, lead, tin, thallium, beryllium and barium.In certain embodiments, for making beans product contact with the described solution containing metal from comprising containing the method removing metal in the solution of metal, and from described solution, removing described beans product, wherein said metal is selected from the group be made up of cadmium, mercury, lead, tin, thallium, beryllium and barium.
In certain embodiments, for making beans product contact with the described solution containing metal from comprising containing the method removing metal in the solution of metal, wherein said beans product does not comprise soybean.In certain embodiments, for making beans product contact with the described solution containing metal from comprising containing the method removing metal in the solution of metal, and from described solution, remove described beans product, wherein said beans product does not comprise soybean.
In certain embodiments, for making beans product contact with the described solution containing metal from comprising containing the method removing metal in the solution of metal, wherein said beans product does not comprise soybean, and wherein said metal is selected from the group be made up of cadmium, cobalt, chromium, copper, mercury, manganese, nickel, lead, tin, iron, zinc, thallium, beryllium and barium.In certain embodiments, for making beans product contact with the described solution containing metal from comprising containing the method removing metal in the solution of metal, and from described solution, remove described beans product, wherein said beans product does not comprise soybean, and wherein said metal is selected from the group be made up of cadmium, cobalt, chromium, copper, mercury, manganese, nickel, lead, tin, iron, zinc, thallium, beryllium and barium.
Metal
As used in present disclosure, term " metal " refers to metallic element in the periodic table of chemical element and metalloid element.
Metallic element comprises all elements in the 1st race to the 16th race of periodictable except the metalloid element in hydrogen, carbon, nitrogen, phosphorus, oxygen, sulphur, selenium and these races.In an exemplary embodiment, metallic element comprises cadmium, cobalt, chromium, copper, mercury, manganese, nickel, lead, tin, iron, zinc, thallium, beryllium and barium.In the embodiment that another is exemplary, metallic element is cadmium, cobalt, chromium, copper, mercury, manganese, nickel, lead, tin, iron, zinc or their arbitrary combination.In the embodiment that another is exemplary, metallic element is chromium, copper, mercury, manganese, nickel, lead, tin, iron, zinc or their arbitrary combination.In the embodiment that another is exemplary, metallic element is mercury, manganese, nickel, lead, tin, iron, zinc or their arbitrary combination.In the embodiment that another is exemplary, metallic element is nickel, lead, tin, iron, zinc or their arbitrary combination.In the embodiment that another is exemplary, metallic element is copper, mercury, nickel, lead, iron, zinc or their arbitrary combination.In the embodiment that another is exemplary, metallic element is copper, mercury, lead, iron or their arbitrary combination.In the embodiment that another is exemplary, described metallic element is copper, mercury, lead, zinc or their arbitrary combination.
In the embodiment that another is exemplary, metallic element is selected from the group be made up of cadmium, mercury, lead, tin, thallium, beryllium and barium.In the embodiment that another is exemplary, metallic element is selected from the group be made up of cadmium, mercury, lead and tin.In the embodiment that another is exemplary, metallic element is selected from the group be made up of mercury, lead and tin.In the embodiment that another is exemplary, metallic element is mercury, lead or their arbitrary combination.In the embodiment that another is exemplary, metallic element is plumbous.In the embodiment that another is exemplary, metallic element is selected from the group be made up of cadmium, thallium, beryllium and barium.
Term " metalloid element " refers to the element of the character had between metallic element and non-metallic element, but the surface chemical conduct particularly showing metal more resembles nonmetallic element.In an exemplary embodiment, metalloid element comprises boron, silicon, germanium, arsenic, antimony, tellurium and polonium.In the embodiment that another is exemplary, metalloid element comprises boron, silicon and arsenic.
In an exemplary embodiment, described metal can be possible to the hurtful toxic metal of people, animal and/or plant.The illustrative examples of toxic metal is aluminium, antimony, barium, beryllium, cadmium, lead, mercury, osmium, thallium and vanadium, and radioactive metal is as thorium, uranium, radium, plutonium and polonium.
Toxic metal can be the unnecessary element of eubolism of people, animal and/or plant.The illustrative examples of such toxic metal includes but not limited to cadmium, lead, mercury, uranium, radium, vanadium, arsenic and polonium.
On the other hand, toxic metal can be people, animal and/or plant need but in a small amount when with hurtful essential element possible during excessive use.Such as, iron is a kind of required trace elements of human body, and the serum iron in grownup is generally 50-150 μ g/dL, but the concentration of iron of 1000 μ g/dL may be potential fatal (P.Bryson, " Comprehensive review in toxicology foremergency clinicians (emergency physicians is to toxicologic general survey); " 3rd edition, the 64th chapter, the 628th page (1996)).
In addition, toxic metal can be such metal, and it is useful when a kind of form, but is poisonous when another kind of form.In an exemplary embodiment, chromium (III) is a kind of required trace elements, but chromium (IV) is procarcinogen.
Metal can in different forms as solid, liquids and gases exist.In addition, can exist with the form of metal ion containing the metal in the solution of metal.Metal ion is the ionic species of metal after losing or obtain electronics.Metal can have the different ions form being with different electric charge.Such as, iron can be Fe (II), Fe (III) and Fe (IV), copper can be Cu (I), Cu (II), Cu (III) and Cu (IV), arsenic can be As (III) and As (IV), and chromium can be Cr (III), Cr (IV) and Cr (VI).As used herein, Cr (VI) represents any type of chromium ion with 6 positive charges, such as, and Cr
6+, CrO
4 2-, Cr
2o
7 2-with Cr (OH
3)
3+.Similarly, Fe (II), Cu (II), As (III) and the similar statement for other metal ion represent the ionic species of the corresponding metal of the charge number write out in the bracket had below.
Solution containing metal can be any aqueous liquid containing one or more metals.It can be the waste water from resident home, factory, laboratory, office, dining room, communal facility etc.It also can be the natural water from river, lake, reservoir, underground, pond, streams etc.Solution containing metal can containing one or more metals being in one or more forms.In an exemplary embodiment, the solution containing metal can metal containing single kind.In the embodiment that another is exemplary, the solution containing metal can contain the combination of the different ions form of same metal.In the embodiment that another is exemplary, the solution containing metal can contain the combination of multi-form different metal.In the embodiment that another is exemplary, the solution containing metal can containing plumbous and mercury.In the embodiment that another is exemplary, the solution containing metal can containing lead, copper and zinc.In the embodiment that another is exemplary, the solution containing metal can contain lead, mercury, copper and zinc.In the embodiment that another is exemplary, the solution containing metal can contain lead, mercury, copper, zinc and iron.In the embodiment that another is exemplary, the solution containing metal can contain lead, copper, zinc and iron.
Amount containing the metal pollutant in the solution of metal can change on a large scale.In an exemplary embodiment, the concentration containing the metal in the solution of metal is no more than 200mg/L, 100mg/L, 50mg/L, 10mg/L, 5mg/L, 1mg/L or 0.1mg/L.In the embodiment that another is exemplary, the concentration range containing the metal in the solution of metal is 0.1mg/L to 100mg/L.In the embodiment that another is exemplary, the concentration range containing the metal in the solution of metal is 1mg/L to 200mg/L.In the embodiment that another is exemplary, the concentration range containing the metal in the solution of metal is 10mg/L to 1000mg/L.
By any suitable method known in the art, the concentration containing the metal in the solution of metal can be determined at.In an exemplary embodiment, by chemical process such as titration, (summary refers to: D.Harris can to measure the concentration of metal, " Quantitative chemical analysis (quantitative chemical analysis); " 6th edition, W.H.Freeman publishes, 12-16 chapter, 224-347 page (2003)).In the embodiment that another is exemplary, by chromatography as vapor-phase chromatography, reversed-phased high performace liquid chromatographic, ion chromatography and capillary electrophoresis, (summary refers to: the people such as I.Ali can to measure the concentration of metal, " Instrumental methods in metal ion speciation (instrumental method in metal ion morphological analysis), " Taylor & Francis Group publishes (2006); The people such as M.Macka, " Determination of metal ions by capillary electrophoresis (by Capillary Electrophoretic Determination metal ion); " Electrophoresis (electrophoresis), 18 (12-13): 2482-2501 (2004)).In the embodiment that another is exemplary, by instrumental analysis as atomic absorption spectrometry (AAS), inductively coupled plasma (ICP), inductively coupled plasma-mass spectroscopy (ICP-MS), UV-Visible absorption spectrophotometer, ion specific electrode (ISE), anodic stripping voltammetry (ASV), (summary refers to: the people such as H.Q.Fang can to measure the concentration of metal, " Instrumental analysis (instrumental analysis) ", Science Press publishes, Beijing, China (2002); Y.K.Guo, " Instrumental analysis (instrumental analysis) ", Chemical Industry Press publishes, Beijing, China (2006)).
Beans product
Term " beans product " refers to and derives from one or more one or more materials fabaceous.As passed through modern plants taxonomy system (The Angiosperm Phylogeny Group, " An ordinalclassification for the families of flowering plants (the series classification method of each section of flowering plant); " Annals of the Missouri Botanical Garden (Missouri Botanical Garden annual report) 85:531-553 (1998)) classify, leguminous plants belongs to pulse family (Fabaceae, also referred to as Leguminosae).
The so-called pulse family family of pulse family, comprise about 730 belong to and more than 19,400 kinds.In certain embodiments, leguminous plants can comprise one or more kinds and/or genus in the following: Acacia (Acacia genus), albizzia (Albizia genus), Arachis (Arachis genus), pigeonpea belongs to (Cajanus genus), Canavalia (Canavalia genus), chestnut Macroptilium (Castanospermumgenus), Ceratonia (Ceratonia genus), hawk Zi, one of the lunar mansions Macroptilium (Cicer genus), melon Macroptilium (Cyamopsis genus), Erythrina (Erythrina genus), Glycine (Glycine genus), Indigofera (Indigofera genus), Dolichos (Lablab genus), Lathyrus (Lathyrus genus), Lens belongs to (Lens genus), Leucaen (Leucaena genus), lupinus (Lupinus genus), sclerderm Macroptilium (Macrolyloma genus), lucerne contracting belongs to (Medicago genus), Phaseolus (Phaseolusgenus), Pisum (Pisum genus), screwbean mesquite belongs to (Prosopis genus), Daubentonia (Sesbaniagenus), broomcorn millet Macroptilium (Stizolobium genus), Trifolium (Trifolium genus), Vicia (Viciagenus) and Vigna (Vigna genus).
In certain embodiments, leguminous plants does not comprise one or more kinds and/or genus in the following: Acacia (Acacia genus), albizzia (Albizia genus), Arachis (Arachisgenus), pigeonpea belongs to (Cajanus genus), Canavalia (Canavalia genus), chestnut Macroptilium (Castanospermum genus), Ceratonia (Ceratonia genus), hawk Zi, one of the lunar mansions Macroptilium (Cicergenus), melon Macroptilium (Cyamopsis genus), Erythrina (Erythrina genus), Glycine (Glycine genus), Indigofera (Indigofera genus), Dolichos (Lablab genus), Lathyrus (Lathyrus genus), Lens belongs to, Leucaen (Leucaena genus), lupinus (Lupinusgenus), sclerderm Macroptilium (Macrotyloma genus), lucerne contracting belongs to (Medicago genus), Phaseolus (Phaseolus genus), Pisum (Pisum genus), screwbean mesquite belongs to (Prosopis genus), Daubentonia (Sesbania genus), broomcorn millet Macroptilium (Stizolobium genus), Trifolium (Trifolium genus), Vicia (Vicia genus) or Vigna (Vigna genus).
Fabaceous illustrative examples comprises: Kidney bean (beans) (such as Phaseolus kind), trifolium (clover) (Trifolium kind), soybean (Soybeans, Glycine max), pea (peas, Pisumsativum), broad bean (horsebeans, Viciafaba), garbanzo (chickpeas, Cicer arietinum), French beans (Lentils, Lens culinaris), lupine (lupins) (lupinus kind), screwbean mesquite (mesquite) (screwbean mesquite genus kind), angle beans (carob, Ceratonia siliqua), alfalfa (alfalfa, Medicagosativa), peanut (peanuts, Arachis hypogaea) and other Arachis kind, Leucaen kind, albizzia kind, Indigofera kind, Acacia kind, melon Macroptilium kind, Daubentonia kind and chestnut Macroptilium kind.
In certain embodiments, leguminous plants comprises one or more kinds from Glycine.In certain embodiments, beans product can not comprise one or more kinds from Glycine.In certain embodiments, beans product can not comprise the cultivated soybean (soybean).
In certain embodiments, beans product can comprise one or more kinds from Pisum.In certain embodiments, beans product can comprise one or more kinds and/or genus in the following: Medicago, Pisum, Trifolium, Vicia, Vicer belong to and Astragalus (Astragalus genus).In certain embodiments, beans product can comprise Pisum abyssinicum, Pisum fulvum and pea (Pisum sativum, pea).
In an exemplary embodiment, beans product is selected from the group be made up of Kidney bean, trifolium, soybean, pea, broad bean, garbanzo, French beans, lupine, screwbean mesquite, angle beans, alfalfa and peanut.In the embodiment that another is exemplary, beans product is selected from the group be made up of Kidney bean, trifolium, pea, broad bean, garbanzo, French beans, lupine, screwbean mesquite, angle beans, alfalfa and peanut.In the embodiment that another is exemplary, beans product is selected from the group be made up of trifolium, pea, broad bean, garbanzo, French beans, lupine, screwbean mesquite, angle beans, alfalfa and peanut.In an exemplary embodiment, beans product is selected from the group be made up of pea and soybean.In an exemplary embodiment, beans product is pea.
Beans product can containing whole leguminous plants or a fabaceous part as fruit, stem, leaf, root, shell, seed or their arbitrary combination.Beans product can in any suitable form in method as herein described.In an exemplary embodiment, collect leguminous plants from field, and directly use with their natural form.In the embodiment that another is exemplary, take off bean fruits or beans shell (beanpod shell, legume shell) from leguminous plants, and in described method.In the embodiment that another is exemplary, leguminous plants carries out pre-treatment.In the embodiment that another is exemplary, before the use, by drying under the sun or by machine pre-treatment leguminous plants.In the embodiment that another is exemplary, before the use, pre-treatment bean fruits or beans shell by cutting into pieces.In the embodiment that another is exemplary, before the use, by pulverizing or grind pre-treatment bean fruits or beans shell.In the embodiment that another is exemplary, beans product is beans shell, the beans shell of chopping or their arbitrary combination.
Contact
Can to be applicable to from containing any mode removing metal the solution of metal, the solution making beans product contact this to contain metal.In an exemplary embodiment, by beans product and the molten liquid-phase mixing containing metal, and under agitation incubation for some time.In the embodiment that another is exemplary, make the solution containing metal by being equipped with the flow chamber (flow chamber) of beans product.In the embodiment that another is exemplary, make the solution containing metal by being equipped with the adsorption bed of beans product.In the embodiment that another is exemplary, make the solution containing metal by being equipped with the Filtration Adsorption container of beans product.In the embodiment that another is exemplary, make the film of the solution containing metal by being made up of beans product.
In certain embodiments, make the solution containing metal at selected heated culture temperature contact beans product.This heated culture temperature can change with such as following factor: the amount, incubative time etc. of the concentration of the metal in the type of the metal that remove, solution, the type of beans product, the beans product of use.The personnel implementing described method can determine that heated culture temperature is suitable.In the embodiment that some is exemplary, the passable scope of heated culture temperature is 0 DEG C to 60 DEG C, 0 DEG C to 50 DEG C, 10 DEG C to 50 DEG C, 20 DEG C to 50 DEG C, 20 DEG C to 40 DEG C, 20 DEG C to 30 DEG C or 30 DEG C to 40 DEG C.In the embodiment that some is exemplary, heated culture temperature can be about 10 DEG C, 15 DEG C, 20 DEG C, 21 DEG C, 22 DEG C, 23 DEG C, 24 DEG C, 25 DEG C, 26 DEG C, 27 DEG C, 28 DEG C, 29 DEG C, 30 DEG C, 31 DEG C, 32 DEG C, 33 DEG C, 34 DEG C, 35 DEG C, 36 DEG C, 37 DEG C, 38 DEG C, 39 DEG C, 40 DEG C, 45 DEG C, 50 DEG C, 55 DEG C or 60 DEG C.
In the embodiment that some is exemplary, the solution containing metal can be made to contact the suitable incubative time phase with beans product.Incubative time can change with such as following factor: the amount, heated culture temperature etc. of the concentration of the metal in the type of the metal that remove, solution, the type of beans product, the beans product of use.The personnel implementing described method can determine that incubative time is suitable.In the embodiment that some is exemplary, incubative time can be 1 minute to 2 weeks, 1 minute to 1 week, 1 minute to 2 days, 1 minute to 1 day, 1 minute to 12 hours, 1 minute to 6 hours, 10 minutes to 6 hours, 0.5 little up to 6 hours, 0.5 little up to 5 hours, 0.5 little up to 4 hours, 0.5 little up to 3 hours, 0.5 little of 2 hours or 1 little of 2 hours.In the embodiment that some is exemplary, incubative time is at least 1 minute, 10 minutes, 0.5 hour, 1 hour, 1.5 hours, 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours, 4.5 hours, 5 hours, 5.5 hours, 6 hours, 12 hours, 1 day, 2 days, 1 week or 2 weeks.In the embodiment that some is exemplary, incubative time is 1 hour.
Beans product for contacting the solution containing metal can for the suitable amount for effectively removing metal from described solution.The amount of beans product can change with such as following factor: the concentration of metal, the type, heated culture temperature, incubative time etc. of beans product in the type of the metal that remove, solution.The personnel implementing described method can determine that the amount of beans product is suitable.In the embodiment that some is exemplary, for contacting the liquor capacity that the amount of the beans product of described solution is at least 1g/L, 1.2g/L, 2g/L, 3g/L, 4g/L, 5g/L, 8g/L, 10g/L or 12g/L.In the embodiment that some is exemplary, for contacting the liquor capacity that the scope of the amount of the beans product of described solution is 1g/L to 30g/L, 1g/L to 25g/L, 1g/L to 20g/L, 1.2g/L to 20g/L, 1g/L to 18g/L, 1g/L to 16g/L, 1g/L to 14g/L or 1g/L to 12g/L.
Use any suitable method known in the art, beans product can be removed from described solution.In an exemplary embodiment, by using suitable metre filter, beans product can be removed from described solution.In the embodiment that another is exemplary, by removing beans product that is floating or precipitation from described solution, beans product can be removed from described solution.In the embodiment that another is exemplary, can pass through from described solution, to remove beans product as follows: by centrifugation beans product, and described solution is separated with throw out.In the embodiment that another is exemplary, by the bottom making beans product be precipitated to described solution, and from described solution, remove described beans product.
After the process of described beans product, the solution containing metal will not have metal, or have the metal of reduction compared with the original metal concentration before process.Use following formula (1), the reduction per-cent of the metal concentration in solution can be calculated:
Wherein q is the reduction per-cent of the metal concentration in solution, also referred to as adsorption percentage; C
0the starting point concentration of the metal before being process in solution; C ' be process after the residual concentration of metal in solution.In the embodiment that some is exemplary, after contact beans product, the metal concentration in solution can reduce at least 3%, at least 5%, at least 10%, at least 15%, at least 20%, at least 25%, at least 30%, at least 35%, at least 40%, at least 45%, at least 50%, at least 55%, at least 60%, at least 65%, at least 70%, at least 75%, at least 80%, at least 85% or at least 90%.In the embodiment that some is exemplary, after contact beans product, the metal concentration in solution can be less than 1mg/L.
In certain embodiments, the method provided in present disclosure can repeat one or many to the solution containing metal.When repeating, can under the condition identical with front primary treatment, or the personnel putting into practice described method determine be suitable different condition (amount etc. of such as different heated culture temperatures, incubative time, beans product) under, implement described method.
Beans product described herein can with one or more for removing other sorbent material conbined usage of metal from solution.Other sorbent material described can be the sorbent material of synthesis or other natural sorbent material any.The example of the sorbent material of synthesis comprises gac, polyether polyols with reduced unsaturation, polypropylene, polystyrene, polymethylmethacrylate, polyphenyl diamines particulate and resin.The example of other natural adsorbent comprises: mineral adsorbent is as natural zeolite, clay, perlite, used lime, calcium carbonate and asbestos, and biological adsorption agent is as pecan shell, tobacco stem, mangrove bark and orange peel.Beans product and other sorbent material can together or sequentially for contacting the solution containing metal.
Method described herein can be applicable to process or any other method conbined usage of the clean solution containing metal.Method described herein and other method can side by side or sequentially be implemented.Exist multiple known to water treatment or clean method.In an exemplary embodiment, the method provided in present disclosure can with sedimentation method combined.The described precipitator method can comprise can form with one or more metal ions the precipitation agent precipitated to containing introducing in the solution of metal.Precipitation agent in solution can discharge negatively charged ion as Cl
-, Br
-, SO
4 2-, CO
3 2-, S
2-, Cr
2o
4 2-, PO
4 2-and OH
-deng, it can be formed with metal ion and precipitate.When the solution containing metal has high metal concentration (such as 200mg/L or higher), before use beans product removing metal as described herein, intermediate processing can be used.
In the embodiment that another is exemplary, the method provided in present disclosure can with separation method conbined usage.Described separation method can comprise isolates any insolubles from containing the solution of metal.Insolubles can be solid matter or water-fast liquid substance (such as oil).The illustrative examples of separation method is filtered and absorption.In an exemplary embodiment, before with the process of beans product, filter the waste water from printing and dyeing mill.In the embodiment that another is exemplary, before with the process of beans product, contain the waste water of high oil content by the sorbent treatment being used for oil.
In the embodiment that another is exemplary, the method provided in present disclosure can with pH regulator method conbined usage.Described pH regulator method can comprise to be introduced in the solution containing metal by acid or alkali, is applicable to the described beans product of contact to make described solution.Before with the process of beans product, described pH regulator method process peracidity or the overbasic solution containing metal can be used.
In certain embodiments, the beans product after contacting with the solution containing metal can be regenerated, for reusing.By any suitable method known in the art, used beans product can be regenerated.In certain embodiments, the regeneration of beans product can relate to remove metal ion from beans product.In an exemplary embodiment, wash used beans product with acidic solution, to discharge the metal ion being adsorbed to described beans product.The illustrative examples of acidic solution comprises mineral acid example hydrochloric acid, sulfuric acid and nitric acid.In the embodiment that another is exemplary, wash used beans product, for desorb metal ion with chelating agent solution.The illustrative examples of chelating agent solution comprises EDTA solution.The beans product of regeneration can directly reuse, or can reuse after processing (as drying) further.
In yet another aspect, this disclosure provides a kind of product comprising beans product, it is configured for and removes metal from containing the solution of metal.
In certain embodiments, beans product can be selected from the leguminous plants in the group be made up of the following from one or more: Kidney bean, trifolium, soybean, pea, broad bean, garbanzo, French beans, lupine, screwbean mesquite, angle beans, alfalfa and peanut.In certain embodiments, described leguminous plants is selected from the group be made up of pea and soybean.
In certain embodiments, beans product carries out pre-treatment.In an exemplary embodiment, before the use, by dry under the sun or by machine pre-treatment leguminous plants.In the embodiment that another is exemplary, before the use, by cutting pre-treatment bean fruits or beans shell into pieces.In the embodiment that another is exemplary, before the use, by pulverizing or grind pre-treatment bean fruits or beans shell.In the embodiment that another is exemplary, described beans product is the beans shell of chopping.
Embodiment
Propose following examples and understand present disclosure with auxiliary, and should not be interpreted as limiting the scope of the present invention limited in the dependent claims by any way.
Embodiment 1: from containing adsorbing metal ions the solution of metal.
Use soybean peel, pea shell and Testa Viciae fabae respectively from containing adsorbing metal ions the solution of metal.Often kind of solution contains a metal ion species, comprise Pb (II), Hg (II), Cr (VI), Fe (III) or Zn (II), and before absorption, the starting point concentration of the metal ion in often kind of solution is 200mg/L.Before absorption, wash soybean peel, pea shell and Testa Viciae fabae with water, and in crusher, pulverize 30-60 second respectively.The shell that extruding is pulverized to be squeezed out water with removing, and dry 1-2 days in the sunlight, to obtain soybean peel, pea shell and the Testa Viciae fabae for adsorbing.
Respectively 300mg soybean peel, pea shell or Testa Viciae fabae are joined the 25mL be placed in advance in 30 DEG C of water-baths to contain in the solution of metal.This mixture magnetic bar stirs 2 hours.Then this mixture is filtered to remove pea shell or soybean peel.By EDTA titration, measure the residual metallic ionic concn in filtrate.According to formula (1), calculate metal biosorption per-cent (q),
Wherein q is the reduction per-cent of the metal concentration in described solution, also referred to as adsorption percentage; C
0the starting point concentration of the metal before being process in described solution; C ' be process after the residual concentration of metal in described solution.Result display in Table 1.
Table 1. passes through pea shell, soybean peel and Testa Viciae fabae to metal biosorption
*n/D: countless certificate.Do not test the adsorption percentage of Testa Viciae fabae to Cr (VI), Fe (III), Zn (II).
Pea shell and soybean peel adsorb a large amount of Pb (II), and the adsorption percentage of Pb (II) reaches 85.5% and 89.6% respectively.In order to contrast, be 25.4% and 40.9% respectively with the adsorption percentage of chip to Pb (II) of the cotton knitwear crossed and corn husk, this is significantly lower than the adsorption percentage realized with pea shell and soybean peel.Result also shows, pea shell or soybean peel can adsorb Hg (II), Cr (VI), Fe (III) and Zn (II) from described solution, although to the adsorption percentage of Cr (VI) and Fe (III) lower than other metal ion.Testa Viciae fabae also shows the active adsorption to Pb (II) and Hg (II), has the adsorption percentage of 38.1% and 29.0% respectively.
At different time points, measure further by pea shell and soybean peel the absorption of Pb (II).After 5 minutes, 10 minutes, 20 minutes, 30 minutes, 60 minutes, 120 minutes and 240 minutes, Pb (II) adsorption percentage is measured respectively at incubation.In incubation period, mixture magnetic bar stirs.By EDTA titration, measure residue Pb (II) concentration in filtrate, and calculate the adsorption percentage (q) of Pb (II) as mentioned above.Result display in table 2.
Table 2. is adsorbing with the Pb (II) after pea shell incubative time different from soybean peel incubation
Embodiment 2: adsorb Pb (II) and Hg (II) from solution.
Use the mixing solutions containing isocyatic Pb (II) and Hg (II) two metal ion species, test by the adsorption percentage of beanpod shell to Pb (II) and Hg (II).The same procedure using and describe in embodiment 1, prepares pea shell and soybean peel.Before absorption, this mixing solutions is placed in the water-bath of 30 DEG C.Test 2 groups of mixing solutionss, one group contains 1.0mg/L Pb (II) and 1.0mg/L Hg (II), and another group is containing 5.0mg/L Pb (II) and 5.0mg/L Hg (II).
In order to adsorb, with 300mg pea shell or 300mg soybean peel incubation 25mL mixing solutions.This mixture stirs 2 hours at 30 DEG C with magnetic bar.Filter pea shell or soybean peel, to obtain clear soln.Use sense answers coupled plasma mass, test Pb (II) and the residual concentration of Hg (II), and as mentioned above calculating by pea shell and soybean peel to the adsorption percentage of Pb (II) and Hg (II).Result display in table 3.
Table 3. is by the absorption to Pb (II) and Hg (II) ion of pea shell and soybean peel
Embodiment 3: the absorption of the heavy metal ion in river
Use the heavy metal ion in pea shell or soybean peel absorption river.Use and the same procedure described in embodiment 1, prepare pea shell and soybean peel.Before absorption, river sample passes through filter paper filtering 3-4 time, to obtain the water clarified.By inductively coupled plasma mass spectrometry method, measure the concentration of heavy metal ion in the clear filtrate obtained.The heavy metal ion detected in untreated filtrate is: Pb (II), Cu (II), Fe (II), Fe (III) and Zn (II), and the display of the concentration of these metal ions in filtrate in table 4.
Before absorption, 25mL filtrate is transferred in beaker, and is placed in 30 DEG C of water-baths.Respectively 300mg pea shell or 300mg soybean peel are joined in this filtrate warm in advance, and this mixture magnetic bar stirs 2 hours.Then this mixture is filtered, to remove pea shell or soybean peel.By inductively coupled plasma mass spectrometry method, the filtrate that test absorption is later, to measure the residual concentration of heavy metal ion.Result display in table 4.Calculating adsorption percentage described above.
Table 4. by pea shell and soybean peel to the absorption of the heavy metal ion in river
Embodiment 4: the absorption of the heavy metal ion in dye house effluents
Use pea shell or soybean peel adsorb the heavy metal ion in dye house effluents sample.Use and the same procedure described in embodiment 1, prepare pea shell and soybean peel.Before absorption, dye house effluents sample passes through filter paper filtering 3-4 time, until filtrate is clarification, and measures the concentration of heavy metal ion in filtrate by inductively coupled plasma mass spectrometry method.5 heavy metal species ion: Pb (II), Cu (II), Fe (III), Fe (II) and Zn (II) is detected in filtrate.The concentration display of these metal ions in filtrate in table 5.
Before absorption, 50mL filtrate is transferred in beaker, and is placed in 30 DEG C of water-baths.Respectively 600mg pea shell or 600mg soybean peel are joined in filtrate warm in advance, then stir 2 hours with magnetic bar.Then, filter this mixture, to remove pea shell or soybean peel.By inductively coupled plasma mass spectrometry method, measure the residual concentration of heavy metal ion in filtrate after adsorbing.Use formula (1) to calculate adsorption percentage, and first time absorption result display in table 5.
After first time absorption, pea shell or soybean peel is used again to process the filtrate obtained.Use the operation same with first time Adsorption Phase, the filtrate obtained with other 300mg pea shell or 300mg soybean peel process 25mL.The display of second time absorption result in table 5.
Result shows, process after 2 times continuously at use pea shell, Pb (II) ionic concn in dye house effluents drops to 0.0118mg/L from 6.796mg/L, and adsorption percentage is 99.8%, process continuously after 2 times at use soybean peel, drop to 0.0821mg/L from 6.796mg/L.Pea shell and soybean peel also adsorb the significantly a large amount of Zn (II), Cu (II), Fe (II) and the Fe (III) that are present in sample.
Table 5. by pea shell and soybean peel to the absorption of the heavy metal ion in dye house effluents sample
Embodiment 5: by the absorption of orange peel and bagasse heavy metal ion
Use orange peel and bagasse from containing adsorbing metal ions the solution of metal respectively.Often kind of solution contains a metal ion species as Pb (II) and Hg (II).Before absorption, the starting point concentration of the metal ion in often kind of solution is 50mg/L or 200mg/L.Before absorption, wash orange peel and bagasse with water, and in crusher, pulverize 30-60 second respectively.The orange peel that extruding is pulverized and bagasse to be squeezed out water with removing, and lower dry 1-2 days in the sunlight, to obtain orange peel sorbent material for adsorbing and bagasse sorbent material respectively.
Respectively 300mg orange peel sorbent material and bagasse sorbent material being joined 25mL contains in the solution of metal, and this solution is placed in 30 DEG C of water-baths in advance.This mixture magnetic bar stirs 2 hours.Then this mixture is filtered, to remove pea shell or soybean peel.By EDTA titration, measure the residual metallic ionic concn in filtrate.Calculating metal biosorption per-cent described above.Result is presented in table 6.
According to result, under the concentration of metal ions of test, orange peel and bagasse all show the intermediate adsorption to Pb (II) and Hg (II).Along with concentration of metal ions is increased to 200mg/L from 50mg/L, adsorption percentage drops to about 50%.Such adsorption percentage is significantly lower than the adsorption percentage (higher than 85%) that the beans shell in embodiment 1 shows.
Table 6. is by the absorption of orange peel and bagasse heavy metal ion
Generally
The specific embodiments that present disclosure is not described in this application limits, and the latter is intended to illustrating as different aspect.As apparent to those skilled in the art, can many modifications and variations be made, and not depart from the spirit and scope of the present invention.Except set forth in this article those except, those skilled in the art according to description above can understand within the scope of present disclosure functionally equivalence method and apparatus.Such modifications and variations intention falls in the scope of claims.The equivalent replacement of the four corner that present disclosure only has with claims and such claim limits.Should be appreciated that present disclosure is not limited to concrete method, reagent, compound composition or biosystem, they can change certainly.It is also understood that the term used in this article is only for describing the object of specific embodiments, and be not used in restriction.
About the use of plural number substantially any herein and/or singular references, when applicable background and/or purposes, those skilled in the art from complex conversion singularization and/or can convert plural number to from odd number.In order to clear, the conversion of various singular/plural clearly may be proposed in this article.
It will be understood by those skilled in the art that, generally speaking, in this article and particularly in claims (such as, the main body of claims) the middle term used, usually used as " open " term (such as, term " comprises " and should be interpreted as " including but not limited to ", and term " has " and should be interpreted as " at least having ", term " comprises " and should be interpreted as " including but not limited to " etc.).Those skilled in the art also can understand, if the claim meaning to introduce repeats the concrete number of thing (recitation), then will repeat this meaning in the claims clearly, and when there is no this repetition thing, there is not this meaning.Such as, as the help understood, claims can comprise the usage of extraction property phrase " at least one " and " one or more ", repeat thing to draw claim.But, the use of such phrase should not be construed as and implies that the claim of being drawn by indefinite article " " or " one " repeats thing, the any specific rights repeating thing containing the claim of drawing like this is required to be restricted to the embodiment of only such containing one repetition thing, even if when same claim comprises extraction property phrase " one or more " or " at least one " and indefinite article such as " one " or " one " (such as, " one " and/or " one " should be construed as denoting " at least one (kind) " or " one (kind) or multiple (kind) "), for the use of repeating the definite article of thing for drawing claim, set up equally.In addition, even if the claim setting forth extraction clearly repeats the concrete number of thing, one skilled in the art will realize that, such repetition thing should be interpreted as the number (at least 2 are repeated thing or 2 or more repetition thing such as, not have the naked repetition thing of " repeating thing for 2 " of other qualifier to refer to) at least referring to elaboration.In addition, under using those situations of the convention similar with " in A, B and C at least one etc. " wherein, generally speaking, person of skill in the art will appreciate that the implication of described convention, mean such structure (such as, " and there is the system of " A, B with at least one in C " will include but not limited to: there is the system of independent A, there is the system of independent B, there is the system of independent C, there is A with B together with system, there is system together with A with C, there is B with C together with system and/or there is A, B system etc. together with C).Under using those situations of the convention similar with " in A, B or C at least one etc. " wherein, generally speaking, with person of skill in the art will appreciate that the implication of described convention mean such structure (such as, " there is the system of at least one in A, B or C " to include but not limited to: there is the system of independent A, there is the system of independent B, there is the system of independent C, there is A with B together with system, there is system together with A with C, there is B with C together with system and/or there is A, B system etc. together with C).Those skilled in the art understand further, present substantially any separation property word and/or the phrase (in specification sheets, claim or accompanying drawing) of 2 or more alternative term, should be understood to contain the possibility of any one or all terms comprised in one of described term, described term.Such as, phrase " A or B " should be understood to the possibility comprising " A " or " B " or " A and B ".
In addition, when the mode organized with Ma Kushi (Markush) describe present disclosure feature or in, those of skill in the art will recognize that present disclosure also describes according to any single member of Ma Kushi group or the subgroup of multiple member thus.
Skilled person in the art will appreciate that in order to any and all objects, such as according to providing written description, disclosed all scopes also comprise their any and all possible subranges and the combination of subrange in this article.Any scope listed can easily regard as is enough to describe and realize same scope to be divided at least equal two parts, three parts, four parts, five parts, ten parts etc.As a limiting examples, each scope discussed in this article can easily be divided into lower by 1/3rd, middle(-)third, higher three/first-class.As those skilled in the art also understand, such as all statements of " at the most ", " at least ", " being greater than ", " being less than " etc. comprise the numeral described, and refer to the scope that can resolve into subrange as discussed above subsequently.Finally, as understood by a person skilled in the art, a scope comprises each single member.Thus, such as, the group with 1-3 unit refers to the group etc. with 1,2 or 3 unit.
Present disclosure is restricted not based on the specific embodiments described in this application, and the latter is intended to illustrating as different aspect.As apparent to those skilled in the art, can many modifications and variations be made, and not depart from its spirit and scope.Except set forth in this article those except, those skilled in the art according to description above can understand within the scope of present disclosure functionally equivalence method and composition.Such modifications and variations intention falls in the scope of claims.The equivalent replacement of the four corner that present disclosure only has according to claims and such claim limits.Should be appreciated that present disclosure is not limited to concrete method, reagent, compound composition or biosystem, they can change certainly.It is also understood that the term used in this article is only for describing the object of specific embodiments, and be not used in restriction.
Although disclosed different aspects and embodiment in this article, other aspect and embodiment it will be apparent to those skilled in the art that.Disclosed all respects and embodiment are presented for purposes of illustration and be not used in restriction in this article, and wherein real scope and spirit are indicated by claims.
Claims (14)
1. one kind for from containing the method removing metal in the solution of metal, described method comprises makes beans product contact with the described solution containing metal, wherein said beans product is pea or soybean, and be beans shell, described metal is plumbous, wherein said beans product directly uses with its natural form, or carries out pre-treatment before contact with the described solution containing metal, described pre-treatment by means of only drying under the sun, cut into pieces or pulverize or grind and carry out.
2. method according to claim 1, described method also comprises remove described beans product from the described solution containing metal.
3. method according to claim 1, wherein said beans product is beans shell or their arbitrary combination of beans shell or chopping.
4. method according to claim 1, the wherein said concentration containing the metal in the solution of metal is no more than 200mg/L.
5. method according to claim 4, the concentration of wherein said metal is no more than 10mg/L.
6. method according to claim 1, the amount of the described beans product wherein used is the volume of the described solution containing metal of at least 1.2g/L.
7. method according to claim 6, the amount of the described beans product wherein used is the volume of the described solution containing metal of at least 12g/L.
8. method according to claim 1, wherein said beans product and described solution carry out incubation under scope is the temperature of 0 DEG C to 60 DEG C.
9. method according to claim 8, the scope of wherein said temperature is 20 DEG C to 40 DEG C.
10. method according to claim 1, wherein by described beans product and the described solution incubation scope containing the metal incubative time at 1 minute to 6 hours.
11. methods according to claim 10, the scope of wherein said incubative time is 0.5 little of 4 hours.
12. methods according to claim 11, the scope of wherein said incubative time is 1 little of 2 hours.
13. methods according to claim 1, wherein after contacting with described beans product, the metal concentration in the described solution containing metal is lowered at least 5%.
14. methods according to claim 13, wherein after contacting with described beans product, the metal concentration in the described solution containing metal is lowered at least 10%.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2010/072470 WO2011137585A1 (en) | 2010-05-05 | 2010-05-05 | Method for removing metals from a metal-containing solution by using legume plants |
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| CN102869614B true CN102869614B (en) | 2015-04-22 |
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| WO (1) | WO2011137585A1 (en) |
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| CN102976466A (en) * | 2012-12-11 | 2013-03-20 | 常州大学 | Compound barium remover for treating baric wastewater |
| CN103771555B (en) * | 2014-01-10 | 2016-08-17 | 东华大学 | A kind of apply YUMIYI as the method for biomass adsorbent processing lead waste water |
| CN104541883B (en) * | 2015-01-04 | 2016-08-24 | 上海交通大学 | The screening technique of Semen sojae atricolor cadmium height enrichment kind |
| CN106179211A (en) * | 2016-07-25 | 2016-12-07 | 河南师范大学 | A kind of for going the preparation method of the active carbon adsorption material of a good appetite suddenly appearing in a serious disease low concentration formaldehyde |
| CN112246848A (en) * | 2020-10-23 | 2021-01-22 | 麻崇明 | Application of clover to treatment of residual compound solution after potassium permanganate preparation of oxygen |
| CN115124731B (en) * | 2022-08-12 | 2023-12-01 | 复旦大学 | Preparation method of high-valued leguminous plant interface super-assembled SAFs fluorescent material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719473A (en) * | 1971-06-18 | 1973-03-06 | Us Agriculture | Removal of mercury from water using nut wastes |
| CN1861638A (en) * | 2005-10-25 | 2006-11-15 | 山东万得福实业集团有限公司 | Process for preparing pectin and heavy metallic ion adsorber by soybean peel combined production |
| CN1907558A (en) * | 2006-07-14 | 2007-02-07 | 北京化工大学 | Process for preparing bean skin biosorption |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3944415A (en) * | 1974-08-05 | 1976-03-16 | The United States Of America As Represented By The Secretary Of Agriculture | Removing heavy metal ions from water |
-
2010
- 2010-05-05 WO PCT/CN2010/072470 patent/WO2011137585A1/en active Application Filing
- 2010-05-05 CN CN201080066555.6A patent/CN102869614B/en not_active Expired - Fee Related
- 2010-05-05 US US13/121,821 patent/US20120325750A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719473A (en) * | 1971-06-18 | 1973-03-06 | Us Agriculture | Removal of mercury from water using nut wastes |
| CN1861638A (en) * | 2005-10-25 | 2006-11-15 | 山东万得福实业集团有限公司 | Process for preparing pectin and heavy metallic ion adsorber by soybean peel combined production |
| CN1907558A (en) * | 2006-07-14 | 2007-02-07 | 北京化工大学 | Process for preparing bean skin biosorption |
Non-Patent Citations (3)
| Title |
|---|
| 改性大豆皮吸附剂制备条件的确定及吸附Cu(II)性能的研究;华琳烂等;《河南工业大学学报(自然科学版)》;20080229;第29卷(第1期);第24-26页 * |
| 改性大豆皮用于降低水硬度的研究;杨向平等;《中华纸业》;20071130;第28卷(第11期);第66-67页 * |
| 花生壳的综合利用研究(一)——花生壳改性制备重金属吸附剂初探;廖朝东,廖正福;《广西师范学院学报》;20040331;第21卷(第1期);第68-70页 * |
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| US20120325750A1 (en) | 2012-12-27 |
| WO2011137585A1 (en) | 2011-11-10 |
| CN102869614A (en) | 2013-01-09 |
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